4VD PERICH/ETIUMf S51 



present, even in different individuals of 

 the same species. 



*' Unfortunately for the science, 

 On the awn there 's no reliance." 



So says, or rather sings, with more truth 

 than subUmity, the ingenious author of 

 the Flora Londinensh ; fasc. 6, t, 8. 



The spiral kind of awn is most frequently 

 attached to the Corolla of grasses, which is 

 precisely of the same husky nature as their 

 calyx, and is, by some botanists, consider- 

 ed as such. Specimens oi glumce inutica, 

 beardless husks, are seen in Fhalaris ca- 

 7iariensis, Engl. Bot. t. 1310, and glumcK 

 aristatce, awned ones, in Lagurm ovatus, 

 t, 1334, and Stipa pennatay t. 1S56. 



Q. TerichcBtium.f. 150. A scaly Sheath, invest- 

 ing the fertile flower, and consequently the 

 base of the fruit-stalk, in some Mosses. In 

 the genus Hypnum it is of great conse- 

 quence, not only by its presence, constituting 

 a part of the generic character, but by its 

 differences in shape, proportion, and s ruc- 

 ture, serving frequently to discriminate 



